Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quando Kamba estava ativo?
 ###Tabelas: CREATE TABLE 2000_version (2000_version_id AUTO_INCREMENT PRIMARY KEY, Cast VARCHAR, 1951 ( BBC ) VARCHAR, 1957 (BBC) VARCHAR, 1968 (BBC) VARCHAR, 1970 (film) VARCHAR, 2000 ( Carlton Television ) VARCHAR) CREATE TABLE u.s._broadcast_and_ratings (u.s._broadcast_and_ratings_id AUTO_INCREMENT PRIMARY KEY, Season INT, Timeslot ( ET ) VARCHAR, Season premiere VARCHAR, Season finale VARCHAR, TV season VARCHAR, Rank VARCHAR, Viewers (millions) VARCHAR) CREATE TABLE season_effects (season_effects_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Dates active VARCHAR, Peak classification VARCHAR, Windspeeds VARCHAR, Pressure VARCHAR, Areas affected VARCHAR, Damage (USD) VARCHAR, Deaths VARCHAR, Refs VARCHAR) CREATE TABLE women's_doubles (women's_doubles_id AUTO_INCREMENT PRIMARY KEY, Tournament VARCHAR, 2008 VARCHAR, 2010 VARCHAR, 2011 VARCHAR, 2012 VARCHAR, 2013 VARCHAR) CREATE TABLE known_disk_logical_formats (known_disk_logical_formats_id AUTO_INCREMENT PRIMARY KEY, Platform VARCHAR, Size VARCHAR, Density VARCHAR, Bytes/ sector INT, Sectors/ track VARCHAR, Tracks/ side VARCHAR, Sides INT, Capacity VARCHAR, Encoding VARCHAR)  
SELECT Dates active FROM season_effects WHERE Name = Kamba